<template>
  <div>
    <span style="color: grey">当前位置 >> 科研论著管理 >> 论著检索</span>

    <div class="box" style="display: inline-block">
      <div class="searchBox" style="display: flex">

        <div style="margin: 10px 0;display: flex">
          <el-input v-model="search" placeholder="输入关键字查询" style="width: 400px;" @clear="load" @keyup.enter="load"
                    clearable></el-input>
          <el-button style="margin-left: 10px" type="primary" @click="load" circle>
            <el-icon>
              <search/>
            </el-icon>
          </el-button>
        </div>
        <div style="margin: 10px 30px">
          <el-select v-model="sort" placeholder="请选择搜索类型" style="margin-left: 20px;width: 200px" @change="load">
            <el-option
                v-for="item in options"
                :key="item.value"
                :label="item.label"
                :value="item.value"
            >
            </el-option>
          </el-select>
        </div>
      </div>
    </div>

    <div class="block" style="margin-top: 30px" v-loading="loadering">

      <el-table :data="information" style="width: 98%" border>
<!--        <el-table-column prop="id" label="ID" />-->
        <el-table-column fixed prop="tname" label="著作名称" />
        <el-table-column prop="isbn" label="图书编号" />
        <el-table-column prop="wcategory" label="著作类别" />
<!--        <el-table-column prop="publisher" label="出版社" />-->
        <el-table-column prop="scategory" label="学科类别" />
        <el-table-column prop="author" label="作者" />
<!--        <el-table-column prop="pno" label="职工号" />-->
<!--        <el-table-column prop="pdate" label="出版时间" />-->
<!--        <el-table-column prop="edition" label="版次" />-->
        <el-table-column prop="tfiles"
                         label="文件资料"

        >
          <template #default="scope">

            <el-popconfirm v-if="scope.row.tfiles !== ''" title="确认下载吗?" @confirm="downthis1(scope.row.tfiles)">
              <template #reference>
                <el-button
                    size="small"
                    type="success">下载
                </el-button>
              </template>
            </el-popconfirm>

            <span v-else>暂无数据</span>

          </template>
        </el-table-column>
        <el-table-column prop="remark" label="备注" />
        <el-table-column fixed="right" label="操作" width="200px">
          <template #default="scope">
            <el-row>
              <el-col :span="6">
                <el-button size="small" type="success" @click="handleFind(scope.row)">查看</el-button>
              </el-col>
              <el-col :span="6" style="margin-left: 10px">
                <el-button size="small" type="primary" @click="handleEdit(scope.row)">修改</el-button>
              </el-col>
              <el-col :span="6" style="margin-left: 10px">
                <el-popconfirm title="确认删除吗?" @confirm="handleDrop(scope.row)">
                  <template #reference>
                    <el-button
                        size="small"
                        type="danger">删除
                    </el-button>
                  </template>
                </el-popconfirm>
              </el-col>
            </el-row>
          </template>
        </el-table-column>
      </el-table>
      <el-pagination
          v-model:currentPage="currentPage"
          :page-sizes="[5, 10, 20]"
          :page-size="pageSize"
          layout="total, sizes, prev, pager, next, jumper"
          :total="total"
          @size-change="handleSizeChange"
          @current-change="handleCurrentChange"
          class="mt-4"
          background
      >
      </el-pagination>
    </div>

    <el-drawer
        v-model="drawer2"
        title="详情"
        :close-on-click-modal=false
    >
      <el-scrollbar height="100%">
        <el-form :model="ruleForm" status-icon ref="ruleForm" label-width="100px" class="demo-ruleForm" :rules="rules"
                 style="margin-right: 20px;"
        >

            <el-form-item label="著作名称" prop="tname">
              <el-input type="text" v-model="ruleForm.tname" autocomplete="off"></el-input>
            </el-form-item>
            <el-form-item label="图书编号" prop="isbn">
              <el-input type="text" v-model="ruleForm.isbn" autocomplete="off"  @blur.prevent="changeIsbn"></el-input>
              <span v-if="this.torf === false" style="font-size: 10px;color: red">该论著已存在</span>
            </el-form-item>
            <el-form-item label="著作类别" prop="wcategory">
              <el-input type="text" v-model="ruleForm.wcategory" autocomplete="off"></el-input>
            </el-form-item>
            <el-form-item label="出版社" prop="publisher">
              <el-input type="text" v-model="ruleForm.publisher" autocomplete="off"></el-input>
            </el-form-item>
            <el-form-item label="学科类别" prop="scategory">
              <el-input type="text" v-model="ruleForm.scategory" autocomplete="off"></el-input>
            </el-form-item>
            <el-form-item label="作者" prop="author">
              <el-input type="text" v-model="ruleForm.author" autocomplete="off"></el-input>
            </el-form-item>
            <el-form-item label="职工号" prop="pno">
              <el-input type="text" v-model="ruleForm.pno" autocomplete="off" @blur="changepNo"></el-input>
              <span v-if="this.torf1 === false" style="font-size: 10px;color: red">该职工号不存在</span>
            </el-form-item>

            <el-form-item label="出版时间" prop="pdate">
                <el-date-picker v-model="ruleForm.pdate"
                                type="date" style="width: 100%;"  placeholder="请选择出版时间">
                </el-date-picker>
            </el-form-item>


            <el-form-item label="版次" prop="edition">
              <el-input type="text" v-model="ruleForm.edition" autocomplete="off"></el-input>
            </el-form-item>

          <el-form-item label="文件" prop="tfiles">
            <el-upload
                class="upload-demo"
                drag
                action="http://222.21.119.252:9999/files/upload"
                multiple
                list-type="text"
                :on-success="filesUploadSuccess"
                :on-error="filesUploadError"
                :before-upload="checkFileBefore"
                style="width: 60%"
                :data=fileVO
                :limit="1"
                :on-exceed='limitCheck'
                :file-list="fileList"
            >
              <el-icon class="el-icon--upload">
                <upload-filled/>
              </el-icon>
              <div class="el-upload__text">
                拖拽上传 或 <em>点击上传</em>
              </div>
              <template #tip>
                <div class="el-upload__tip">
                  仅支持上传一个文件,且最大容量为100MB
                </div>
              </template>
            </el-upload>
          </el-form-item>


            <el-form-item label="备注" prop="remark">
              <el-input type="textarea"
                        :autosize="{ minRows: 2, maxRows: 4}"
                        placeholder="请输入内容" v-model="ruleForm.remark" autocomplete="off"></el-input>
            </el-form-item>
            <el-form-item>
              <el-button type="primary" @click="editForm"
                         style="width:100%;  height:100%;margin-bottom:15px;">提交
              </el-button>
            </el-form-item>
        </el-form>
      </el-scrollbar>


    </el-drawer>

    <el-drawer
        v-model="findDrower"
        title="详情"

    >
      <el-descriptions :column="1" border>
        <el-descriptions-item
            label="id"
            label-align="right"
            align="center">
          {{ this.findFrom.id }}
        </el-descriptions-item>

        <el-descriptions-item label="著作名称" label-align="right" align="center"> {{ this.findFrom.tname }}
        </el-descriptions-item>

        <el-descriptions-item label="图书编号" label-align="right" align="center"> {{ this.findFrom.isbn }}
        </el-descriptions-item>

        <el-descriptions-item label="著作类别" label-align="right" align="center">
          {{ this.findFrom.wcategory }}
        </el-descriptions-item>

        <el-descriptions-item label="出版社" label-align="right" align="center">
          {{ this.findFrom.publisher }}
        </el-descriptions-item>


        <el-descriptions-item label="学科类别" label-align="right" align="center">
          {{ this.findFrom.scategory }}
        </el-descriptions-item>

        <el-descriptions-item label="作者" label-align="right" align="center">
          {{ this.findFrom.author }}
        </el-descriptions-item>

        <el-descriptions-item label="职工号" label-align="right" align="center">
          {{ this.findFrom.pno }}
        </el-descriptions-item>

        <el-descriptions-item label="出版时间" label-align="right" align="center">
          {{ this.findFrom.pdate }}
        </el-descriptions-item>

        <el-descriptions-item label="版次" label-align="right" align="center">
          {{ this.findFrom.edition }}
        </el-descriptions-item>

        <el-descriptions-item label="文件资料" label-align="right" align="center">
          <el-popconfirm
              title="确认下载吗?"
              @confirm="downthis1(this.findFrom.tfiles)"
          >
            <template #reference>
              <el-button type="success" size="small">下载文件</el-button>
            </template>
          </el-popconfirm>
        </el-descriptions-item>

        <el-descriptions-item label="备注" label-align="right" align="center" >
          {{ this.findFrom.remark }}
        </el-descriptions-item>

      </el-descriptions>
    </el-drawer>
  </div>
</template>
<script>
import request from "@/utils/request";
import {Search, Edit, Delete, UploadFilled} from '@element-plus/icons-vue'

export default {
  name: "SearchTreatise",
  components: {
    Search,
    Edit,
    Delete,
    UploadFilled
  },
  data() {
    return {
      fileList: [{
        name: '',
        value: ''
      }],
      fileVO: {
        sort: 'treatise',
        fileName: ''
      },
      loadering: true,
      torf: true,
      torf1: true,
      drawer2: false,  findDrower: false,
      ruleForm: {
        isbn: ''
      },
      rules: {
        tname: [
          {required: true, message: '著作名称不能为空', trigger: 'blur'},
          // {min: 1, max: 20, message: '长度在 1 到 20 个字符', trigger: 'blur'}
        ],
        isbn: [
          {required: true, message: '图书编号不能为空', trigger: 'blur'},
          // {min: 10, max: 35, message: '长度在 10 到 35 个字符', trigger: 'blur'}
        ],
        wcategory: [
          {required: true, message: '请输入论著类别', trigger: 'blur'},
        ],
        publisher: [
          {required: true, message: '出版社不能为空', trigger: 'blur'},
        ],
        scategory: [
          {required: true, message: '学科类别不能为空', trigger: 'blur'},
          // {min: 2, max: 15, message: '长度在 2 到 15 个字符', trigger: 'blur'}
        ],
        author: [
          {required: true, message: '作者不能为空', trigger: 'blur'},
        ],
        pno: [
          {required: true, message: '职工号不能为空', trigger: 'blur'},
          // {min: 12, max: 12, message: '长度为12个字符', trigger: 'blur'}
        ],
        pdate: [
          {required: true, message: '请选择出版时间', trigger: 'blur'},
        ],
        edition: [
          {required: true, message: '请输入版次', trigger: 'blur'},
        ]
      },
      options: [
        {
          value: 'tWcategory',
          label: '著作类别'
        },
        {
          value: 'Tname',
          label: '著作名称'
        },
        {
          value: 'Isbn',
          label: '图书标号'
        },
        {
          value: 'Scategory',
          label: '学科类别'
        },
        {
          value: 'Author',
          label: '作者'
        },
      ],

      //数据
      information: [],
      currentPage: 1,
      total: 0,
      search: '',
      pageSize: 10,
      //选择搜索类型
      sort: '',
      isbn: ''
    };
  },
  methods: {
    handleFind(row) {
      //深拷贝
      this.findFrom = JSON.parse(JSON.stringify(row));

      this.findDrower = true;
    },
    downthis1(file) {
      //下载文件
      window.location.href = file;
    },
    load() {
      request.get(`/treatise`, {
        params: {
          pageNum: this.currentPage,
          pageSize: this.pageSize,
          search: this.search,
          sort: this.sort
        }
      }).then(res => {
        if (res.code === '200') {
          this.information = res.data.records;
          this.total = res.data.total;
          this.loadering = false;
        }
      }).catch(res => {
        this.$message.error("服务器错误,请联系管理员或重新尝试");
      })
    },
    //点击表格上的提交
    handleEdit(row) {
      //深拷贝
      this.ruleForm = JSON.parse(JSON.stringify(row));

      //显示文件列表
      this.fileList[0].name = '原文件';
      this.fileList[0].uri = this.ruleForm.tfiles;

      this.isbn = this.ruleForm.isbn;
      this.drawer2 = true;
    },
    //删除
    handleDrop(row) {
      //根据 主键 name 删除
      request.delete("/files/" + this.fileVO.sort + "/" + row.isbn).then(() => {
        //无论文件是否存在都执行下一步,存在则删除,不存在则不理会,然后删除
        //删除  的 res
        request.delete("/treatise/"+ row.id).then(res => {
          if (res.code === '200') {
            //弹出成功框
            this.$message.success("删除成功")
            this.load();
          }
        }).catch(() => {   //防止未知bug,执行不了Controller方法直接报错
              this.$message.error("服务器错误!请联系管理员或重新尝试!");
            }
        )
      }).catch(() => {
        this.$message.error("服务器错误!请联系管理员或重新尝试!");
      });
    },


//点击修改的提交按钮
    editForm() {
      this.$refs.ruleForm.validate(valid => {
        if (!valid) {
          this.$message.error("请输入必选项!")
          return
        }
        request.put("/treatise", this.ruleForm).then(res => {
          if (res.code === '200') {
            //弹出成功框
            this.$message.success("修改成功")
            this.load();
            this.drawer2 = false;
          } else {
            this.$message.error("修改失败!请确保表单各项填写完整正确!");
          }
        }).catch(() => {   //防止未知bug,执行不了Controller方法直接报错
          this.$message.error("服务器错误!请联系管理员或重新尝试!");
        })
      })
    },
    //文件上传成功调用
    filesUploadSuccess(res) {
      this.ruleForm.tfiles = res.data;
    },

    //上传之前
    checkFileBefore(file) {
      if (this.ruleForm.isbn === '') {
        this.$message.error("上传文件前请先输入图书编号!");
        return false;
      }
      //判断文件大小
      if (file.size / 1024 / 1024 > 100) {
        this.$message.error("文件大小不得超过100MB");
        return false;
      }
      //文件上传的参数之一
      this.fileVO.fileName = this.ruleForm.isbn;
    },
    //超出文件数量限制
    limitCheck() {
      this.$message.warning('只能上传一个文件');
    },
    //上传文件失败提示
    filesUploadError() {
      this.$message.error("上传失败,请重新尝试或联系管理员");
    },
    handleSizeChange(pageSize) {
      this.pageSize = pageSize;
      this.load();
    },
    handleCurrentChange(pageNum) {
      this.currentPage = pageNum;
      this.load();
    },
    changeIsbn() {
      if (this.ruleForm.isbn === '') {
        this.torf = true;
      } else {
        request.get(`/treatise/isbn/` + this.ruleForm.isbn).then(res => {
          if (res.code === '200') {
            //表示不重复,可以通过
            this.torf = true;
          } else { //表示有这个主键,再判断是不是未修改的Isbn
            if (res.data.isbn === this.isbn) {
              this.torf = true;
            }else {
              this.torf = false;
            }

          }
        });
      }
    },
    changepNo() {
      if (this.ruleForm.pno === '') {
        this.torf1 = true;
      } else {
        request.get(`/sperson/pno/` + this.ruleForm.pno).then(res => {
          if (res.code === '200') {
            //表示没有,不能通过
            this.torf1 = false;
          } else {
            //表示有,则可以通过
            this.torf1 = true;
          }
        });
      }
    }
  },
  created() {
    this.load();
  },
}
</script>

<style scoped>
.box {
  margin: 0 auto;
  padding-top: 20px;
  height: 50px;
  width: 100%;
}

.searchBox {
  margin: 0 auto;
  width: 60%;
  position: relative;
}

/deep/ .el-upload .el-upload-dragger{
  width: 300px;
}
</style>
